View Full Version : electric brakes
04-26-2006, 07:01 PM
I have a 5 ton equipment trailer with electric brakes. When I plug them in one of them locks up when i unplug it releases. All others seem to be working properly. Has anyone ever heard of a magnet going bad or something? It seems like all the wiring grounds etc are ok and only 1 is acting up. Thank you for any imput.
04-29-2006, 08:52 PM
has it worked correctly before? something has to be energizing that one brake magnet. are you sure the other 3 are working? if they work properly, follow the wires from that one problem brake. only 2 wires, one hot and one ground, they can be hooked up either way. does the tow vehicle have the lights on when this happens? do you have 12 volt power somewhere in the trailer, or going through the plug for something like work lights or a winch? but somehow 12 volts is getting to that one brake, possibly some wires melted together. if you need further help, PM me. electric brakes are a simple system and should be easy to fix.
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